Kev Siv Membrane Filtration Rau Leachate: Kev Tsim Kho Tshiab Hauv Kev Dais Dej Pov Tseg Ib Puag Ncig

Advanced membrane lim rau kev kho cov dej ntws hloov pauv txoj kev tswj hwm ib qho ntawm cov teeb meem ib puag ncig uas muaj teeb meem tshaj plaws. Cov dej khib nyiab yog cov kua pov tseg lom. Cov pa phem nyuaj xav tau cov thev naus laus zis tshwj xeeb los tshem tawm. Cov txheej txheem membrane niaj hnub, suav nrog DTRO thiab ultrafiltration, tuaj yeem ua kom cov dej sib xyaw 6-8 npaug ntau dua li lawv tshem tawm, txo cov khib nyiab thiab rov qab cov dej huv uas tuaj yeem rov siv dua lossis tso tawm kom nyab xeeb. Cov tuam txhab zoo li no xav tau lawv rau kev ua raws li ib puag ncig thiab kev ua haujlwm zoo.

Introduction

Kev tswj hwm methane hauv cov chaw pov tseg thoob ntiaj teb tab tom muaj kev nyuaj siab ntxiv. Thaum nag lossis daus ntub los ntawm cov khib nyiab uas lwj, cov kua dej qias neeg no yuav tsim. Nws ua rau cov dej hauv av thiab lub ecosystem puas tsuaj nrog cov hlau hnyav, ammonia, cov khoom siv organic uas yaj, thiab cov kuab paug organic uas nyob ntev. Cov txheej txheem kho cov dej khib nyiab ib txwm muaj teeb meem nrog qhov tsis paub tseeb thiab kev lom, ua rau kev ua raws li txoj cai nyuaj dua thiab cov nqi ntawm lub tuam txhab siab dua.

Niaj hnub nim no, kev lim dej membrane yog txoj kev tswj cov leachate uas tseem ceeb tshaj plaws. Cov txheej txheem high-tech no ib txwm tshem tawm ntau yam pa phem ntawm tus nqi siab, pab cov chaw ua haujlwm ua raws li cov cai tswjfwm kev tso tawm uas nruj dua. Peb tau pom cov thev naus laus zis membrane hloov cov teeb meem pov tseg uas zoo li tsis muaj peev xwm ua rau muaj lub sijhawm los rov qab tau cov peev txheej thiab tiv thaiv ib puag ncig. Tsab xov xwm no yog rau cov neeg yuav khoom tsim khoom, cov tuam txhab hluav taws xob hauv nroog, thiab cov lag luam hnyav uas xav tau cov kev daws teeb meem uas tau lees paub, muaj peev xwm nthuav dav nrog kev txawj ntse thiab kev txhawb nqa kev pabcuam tiav.

Nkag Siab Txog Cov Tshuaj Leachate Thiab Qhov Xav Tau Kev Kho Mob Siab Tshaj Plaws

Qhov Xwm Txheej Nyuaj ntawm Cov Dej Pov Tseg

Cov khib nyiab hom, huab cua, thiab hnub nyoog ntawm cov khib nyiab cuam tshuam rau cov dej khib nyiab uas muaj cov tshuaj khib nyiab. Cov khib nyiab hluas tsim cov dej khib nyiab uas muaj BOD tus nqi tshaj 10,000 mg / L thiab muaj cov organic ntau uas tawg sai. Cov khib nyiab qub tso tawm cov dej khib nyiab uas muaj cov khoom siv organic uas tsis tawg, ammonia tshaj 1,000 mg / L, thiab cov ions yaj uas cuam tshuam kev coj hluav taws xob. Cov hlau txhuas, cadmium, thiab mercury ua rau kev kho cov dej khib nyiab nyuaj.

Cov Kev Tswj Xyuas thiab Cov Kev Ntsuas Kev Saib Xyuas

North America, Tebchaws Europe, thiab Asia muaj cov COD, ammonia-nitrogen, thiab tag nrho cov khoom yaj hauv cov dej khib nyiab nruj heev rau kev kho cov dej ntwsYuav tsum tau saib xyuas cov yam ntxwv tso tawm tsis tu ncua raws li EPA cov lus qhia rau kev kho cov dej khib nyiab, lossis tej zaum yuav muaj kev rau txim loj heev. Cov chaw kho dej khib nyiab hauv nroog uas nqus cov dej khib nyiab yuav tsum ua raws li cov kev txwv tso tawm uas cuam tshuam rau lawv daim ntawv tso cai ua haujlwm rau kev kho cov dej khib nyiab. Cov chaw lag luam uas muaj cov chaw pov tseg yuav tsum coj cov qauv txhua peb lub hlis thiab txheeb xyuas ntau dua 30 qhov kev ntsuas, suav nrog cov pa phem tshiab thiab qhov tseem ceeb, los ua pov thawj tias lawv cov kev ntsuas kho cov dej khib nyiab ua haujlwm.

Cov Kev Txwv ntawm Cov Txheej Txheem Kho Cov Leachate Ib Txwm Muaj

Kev Sib Tw Kho Mob Txog Kab Mob

Cov tshuab ua sludge ib txwm muaj thiab cov tshuab ua sequencing batch reactors ua haujlwm zoo nrog cov leachate uas lwj tau, tab sis cov ammonia uas siab tshaj 500 mg/L yog qhov teeb meem. Cov zej zog microbe xav tau sijhawm los hloov kho rau cov hlau hnyav thiab cov xenobiotics, thiab kev noj zaub mov kom zoo. Xav tau cov thoob loj rau kev khaws cia ntev tshaj 30 hnub, ua rau cov nqi peev thiab kev siv av rau kev kho leachate nce ntxiv.

Cov Kev Tsis Zoo ntawm Kev Kho Mob Tshuaj

Cov sludge los ntawm ferric chloride lossis txhuas ntsev hauv cov txheej txheem coagulation-flocculation kim heev rau pov tseg. Ozone tshuaj oxidation lossis Fenton's reagent txo COD, tab sis nws txaus ntshai rau kev tuav, pH yuav tsum tau saib xyuas, thiab cov reagents kim heev - feem ntau tshaj $ 15 ib lub cubic meter. Tseem tshuav hlau thiab manganese yuav tsum tau polished, ntxiv rau qhov kev sib tw yam tsis tau ua tiav cov qauv tso tawm.

Kev Txwv Kev Kho Mob Lub Cev

Cov tshuab ua kom cov pa phem tshem tawm tab sis siv zog ntau. Cov tshuab ua kom cov pa phem siv 600–700 kWh ib lub cubic meter ntawm cov dej khib nyiab. Yog tsis muaj cua sov pov tseg yooj yim, cov nqi ntawm lub tuam txhab nce siab. Kev tshem tawm ammonia ua rau huab cua qias neeg; cov txheej txheem ntxuav yog qhov tseem ceeb. Cov thawj coj kev yuav khoom siv cov txheej txheem qub yuav tsum nrhiav cov cuab yeej tshiab rau kev ua tau zoo thiab tus nqi.

Cov Txuj Ci Siv Membrane Filtration Advanced hauv Kev Kho Leachate

DTRO Systems: Tus Qauv Kub

Cov thev naus laus zis Disk tube reverse osmosis tau hloov pauv kev tswj cov khib nyiab vim nws cov qauv membrane. Hloov chaw ntawm cov membrane uas muaj qhov kauv uas txhaws, DTRO cov txheej txheem siv cov ntaub thaiv zoo li disc uas sib sau ua ke raws lub raj nruab nrab. Qhov no ua rau muaj kev ntws tsis zoo thiab txo qis kev sib xyaw ua ke. Cov dej ntws uas muaj cov khoom me me txog li 50 mg / L tuaj yeem ua rau puas tsuaj ro cevs, tab sis qhov kev tsim no tuaj yeem tswj hwm lawv rau kev kho mob leachate.

Qhov kev ua haujlwm siab ntawm 60 thiab 80 bar hauv kev kho cov leachate tuaj yeem ua tiav 8: 1 concentration factors. Qhov no txhais tau tias 8 cubic meters ntawm cov leachate nyoos tuaj yeem dhau los ua 1 cubic meter ntawm cov khib nyiab concentrate hauv kev kho cov dej ntwsQhov kev txo qhov ntim no 87.5% txo cov nuj nqis pov tseg rau kev kho cov leachate. Permeate hauv kev kho cov leachate yeej ib txwm ua tiav cov qauv tso tawm nruj nrog COD qis dua 50 mg / L, ammonia qis dua 5 mg / L, thiab conductivity siab dua 98%.

Kev Sib Koom Tes ntawm Ultrafiltration thiab Nanofiltration

DTRO ua haujlwm zoo tshaj plaws thaum cov nplaim membrane tau npaj txhij ua ntej siv. Kev tswj cov khib nyiab tau zoo dua los ntawm kev sib xyaw ua ke ntawm cov txheej txheem membrane:

• Kev kho ua ntej siv Ultrafiltration tshem tawm cov colloids, cov khoom ntab, thiab cov kab mob me me los ntawm cov qhov me me 0.01-0.1 micron. Kev txo qhov turbidity kom tsawg dua 1 NTU tiv thaiv cov khoom me me kom tsis txhob sib sau ua ke ntawm cov lim dej RO. Cov kab ke UF siv zog tsawg dua thiab ntev lub neej ntawm DTRO membrane los ntawm 3 mus rau 5-7 xyoo ntawm qhov siab qis (2-5 bar), txuag nyiaj.
• Cov kev xaiv Nanofiltration muab kev pom zoo rau kev tshem tawm divalent ion thaum tso cai rau cov ntsev monovalent. Kev xaiv los ntawm NF daim nyias nyias yog nruab nrab ntawm UF thiab RO. Lawv tshem tawm 90% ntawm cov ions multivalent xws li calcium, magnesium, thiab sulfate ntawm qhov siab qis dua (15–30 bar), siv 30% txog 40% tsawg dua zog dua li cov kab ke RO tag nrho thaum lawv tsis tas yuav tshem tawm tag nrho cov ntsev.
• Cov txheej txheem sib xyaw ua ke ntawm Membrane Bioreactor (MBR) muab kev kho mob biological nrog rau kev sib cais membrane kom lwj thiab sib cais. Cov sludge uas nquag nyob hauv bioreactor nrog cov modules membrane uas nyob hauv qab dej lossis sab dej. Qhov no tso cai rau cov biomass ntau dua (8,000–12,000 mg/L) kom ua kom cov organic matter decomposition sai dua thiab muab cov dej khib nyiab huv rau RO polishing.

Xaiv Lub Tshuab Lim Dej Uas Zoo Rau Koj Cov Kev Xav Tau Kev Kho Mob Leachate

Kev ntsuas kev ntsuas

Cov qauv tsim membrane zoo tshaj plaws yuav tsum tau xav txog qhov ua tau zoo thiab tus nqi. Pib los ntawm kev piav qhia txog cov dej pub. COD, BOD, ammonia, TDS, qhov nyuaj, cov hlau hnyav, thiab cov khoom me me raug kawm los txiav txim siab qhov loj me ntawm lub kaw lus thiab lim dej. Kev kho ua ntej ua ntej kev ntxuav membrane pab tswj cov khib nyiab me me nrog BOD/COD piv tshaj 0.4. Txawm li cas los xij, cov khib nyiab laus uas muaj cov organic nyuaj rau yaj txav mus rau cov kab ke membrane rau kev kho cov khib nyiab.

Kev Ntsuam Xyuas Tus Nqi Li Cas

Tag nrho cov nqi kwv yees ntawm kev muaj rau 15-20 xyoo ntawm kev ua haujlwm pab txiav txim siab yuav khoom. Cov nuj nqis peev suav nrog cov khoom siv, kev teeb tsa, hluav taws xob, thiab kev txhim kho tsev. Cov kab ke uas tswj hwm 50-200 cubic meters ntawm cov khib nyiab txhua hnub raug nqi $ 400,000- $ 1.2 lab. Cov nqi khiav lag luam txhua xyoo suav nrog:

• Cov nyiaj khaws cia hloov daim nyias nyias ($ 30,000– $ 60,000 txhua xyoo)
• Cov tshuaj ntxuav tu uas raug nqi $15,000–$25,000
• Kev siv hluav taws xob ntawm $0.08–$0.12 ib kWh ($40,000–$80,000)
• Kev siv nyiaj pov tseg cov khib nyiab ntau yog $100–300 rau ib lub cubic meter ntawm kev pov tseg ntau
• Cov neeg ua haujlwm rau kev khiav lag luam thiab kev saib xyuas ($ 80,000– $ 120,000)

Cov Kev Tsim Nyog thiab Kev Txhawb Nqa ntawm Tus Muag Khoom

Kev ua haujlwm nrog cov kws tshaj lij cov neeg muab khoom siv membrane system ua kom muaj kev vam meej ntawm ntau txoj hauv kev. Nrhiav cov neeg tsim khoom uas muab cov kev pab cuam sim ua ntej kom ntseeg tau tias kev kho mob ua haujlwm nrog cov dej ntws tiag tiag ua ntej teeb tsa tag nrho. Kev npaj, kev tsim khoom, kev teeb tsa, thiab kev sim suav nrog hauv cov txheej txheem xa khoom turnkey, ua rau cov haujlwm yooj yim dua thiab ua kom muaj kev lav phib xaub. Kev pab txuas ntxiv ntawm cov kws tshaj lij yog qhov tseem ceeb, suav nrog kev ntxuav tshuaj thiab kev sim kev ruaj khov ntawm daim nyias nyias.

Cov Kev Xyaum Zoo Tshaj Plaws & Cov Qauv Yav Tom Ntej hauv Kev Kho Mob Leachate Uas Siv Membrane

Cov Tswv Yim Ua Haujlwm Zoo Tshaj Plaws

Kev kho tshuaj leachate kev ua tau zoo pib nrog kev kho ua ntej tas li. Cov tshuab lim pob tawb, cov lim cartridge, lossis cov lim xov xwm tshem tawm cov khoom me me tshaj 50 microns ntawm cov nplaim membrane. Cov tshuaj tiv thaiv scalant tiv thaiv cov zaub mov kom tsis txhob poob, thiab pH 6.5–7.5 ua rau lub neej ntawm daim nyias nyias ntev dua. Saib xyuas qhov turbidity tas li thiab tsim kom muaj kev ntxuav rov qab thaum cov qib tshaj 2 NTU kom ua kom cov nqi ntws siab tshaj plaws. Cov membranes xav tau kev ntxuav alkaline ib hlis ib zaug, ntxuav acid txhua peb lub hlis, thiab ntxuav biocide txhua rau lub hlis.

Kev Sib Koom Tes Digital thiab Kev Txhim Kho Cov Txheej Txheem

Kev tshuaj xyuas cov ntaub ntawv tiag tiag nrog IoT thev naus laus zis hloov pauv kev tswj hwm lub kaw lus membrane. Cov sensors uas ntes tau qhov siab, ntws, conductivity, pH, thiab kub thoob plaws hauv cov txheej txheem muab cov ntaub ntawv rau cov algorithms raws li huab uas kwv yees kev saib xyuas, kev hloov pauv kev ua tau zoo, thiab cov xwm txheej ua haujlwm zoo tshaj plaws. Cov ntawv thov AI pom cov qauv me me hauv cov ntaub ntawv ua tau zoo ua ntej daim nyias nyias fouling. Cov qauv kwv yees muab cov hauv kev los tswj kev ua haujlwm thiab ntev lub sijhawm pabcuam daim nyias nyias.

Kev Lag Luam Ib Txwm thiab Kev Rov Qab Tau Cov Khoom Siv

Cov tuam txhab uas xav txog yav tom ntej tam sim no pom cov leachate ua ib qho peev txheej uas muaj nqis rov qab tau. Txawm hais tias cov membrane concentrate me dua, nws khaws cov ntsev yaj uas tuaj yeem crystallized lossis electrodialyzed. Kev rhuav tshem thiab nqus ammonia ua rau muaj ammonium sulfate zoo li chiv. Lub Hoobkas uas ua 100 cubic meters ntawm cov khib nyiab txhua hnub tuaj yeem rov qab tau 500 txog 700 kg ntawm cov nitrogen compounds hauv ib hlis, muag rau $ 0.40 txog $ 0.60 ib kilogram. Kev siv cov permeate kho dua tshiab kaw cov voj voog dej.

xaus

Cov thev naus laus zis lim dej siab heev yog cov txheej txheem kho cov dej khib nyiab uas ntseeg tau. Cov txheej txheem DTRO nrog cov yam ntxwv concentration ntawm 6 txog 8 zaug txo cov khoom pov tseg thiab cov nqi ntau thaum ua tiav cov qauv tso tawm nruj. Cov tsheb ciav hlau kho mob uas tswj txawm tias cov dej khib nyiab nyuaj tshaj plaws suav nrog kev kho ua ntej ultrafiltration, kev kho tshuaj xaiv, thiab cov txheej txheem taug qab computer. Cov txheej txheem membrane me me, scalable ua tau zoo dua li cov txheej txheem kho mob hauv kev ua tau zoo thiab tus nqi thiab muaj txiaj ntsig zoo rau kev lag luam hnyav thiab cov kev pabcuam hauv zos.

FAQ

1. Kev lim dej los ntawm daim nyias nyias piv rau kev kho cov dej khib nyiab los ntawm cov tshuaj lom neeg li cas?

Cov txheej txheem membrane ua haujlwm tau zoo nrog cov dej ntws uas muaj ammonia ntau los ntawm cov chaw pov tseg qub uas tsis tawg sai. Cov txheej txheem biological xav tau lub sijhawm tuav ntev thiab kev saib xyuas ze kom tshem tawm 60–75% COD. Txawm hais tias leachate muaj hnub nyoog lossis muaj pes tsawg, DTRO membrane systems tshem tawm ntau dua 95% ntawm cov pa phem. Lawv muaj qhov chaw tsawg thiab cov nuj nqis ua haujlwm. Cov txheej txheem sib xyaw ua ke uas sib xyaw ua ke kev npaj biological thiab kev txhuam membrane feem ntau ua rau muaj txiaj ntsig zoo tshaj plaws rau kev kho leachate.

2. Cov chaw yuav tsum npaj rau cov kev cai saib xyuas twg?

Cov kev ntsuas siab ua haujlwm, cov nqi ntws, thiab qhov zoo ntawm cov dej nkag raug kuaj txhua hnub, thiab lub lim dej cartridge raug hloov txhua lub lim tiam ua ib feem ntawm kev saib xyuas lub kaw lus membrane. Kev ntxuav tshuaj lom neeg tshwm sim txhua hli, thiab lub kaw lus raug kuaj xyuas txhua peb lub hlis. Peb ntsuas lub membrane qhov ruaj khov thiab kho cov chaw puas tsuaj siv cov txheej txheem kev puas tsuaj siab txhua xyoo. Cov kab ke uas tswj 100 cubic meters ib hnub xav tau 4-6 teev ntawm kev saib xyuas.

3. Cov txheej txheem membrane puas tuaj yeem tswj tau ntau yam leachate ntim thiab cov khoom sib xyaw?

Cov txheej txheem membrane niaj hnub no yog modular thiab tuaj yeem hloov pauv ntawm 10 txog 500+ cubic meters ib hnub siv cov tsheb ciav hlau sib luag. Cov twj tso kua siab siab nrog cov tsav hloov pauv zaus hloov kho lawv qhov chaw nyob ntawm qhov ntws, thiab cov txheej txheem tshuaj lom neeg tsis siv neeg tswj hwm kev kho ua ntej zoo dua txawm tias thaum cov khoom sib txawv. Cov txheej txheem tuaj yeem tiv taus cov dej khib nyiab txhua xyoo yam tsis muaj kev cuam tshuam rau kev ua haujlwm. Lawv tuaj yeem siv thaum qhov ntau hloov pauv los ntawm 200–300% ntawm lub caij qhuav thiab los nag.

Koom tes nrog Morui rau Turnkey Leachate Treatment Solutions

Guangdong Morui Environmental Technology lub chaw pov tseg DTRO kev kho cov dej ntws Cov txheej txheem ua tau raws li qhov xav tau ntawm kev lag luam thiab hauv zos. Peb cov kev daws teeb meem dej khib nyiab suav nrog peb cov qauv tsim membrane, cov txheej txheem ua ntej kho tsis siv neeg, thiab cov cuab yeej taug qab digital. Peb pab cov haujlwm txij li qhov ua tau mus rau kev teeb tsa, kev sim, thiab kev saib xyuas. Peb muaj 14 ceg, kev tsim cov membrane hauv tsev, thiab ntau dua 20 tus kws ua haujlwm txawj.

Peb cov neeg ua haujlwm tsim cov qauv tshwj xeeb kom haum rau koj qhov kev ua tau zoo thiab tus nqi xav tau. Xa email rau peb cov engineers ntawm yog benson@guangdongmorui.com los tham txog koj cov kev xav tau. Peb yuav tshuaj xyuas koj cov ntaub ntawv zoo dej, txheeb xyuas qhov chaw txwv, thiab pom zoo cov qauv tsim membrane zoo tshaj plaws, txhawb nqa los ntawm kev sim tsav. 

References

1. Renou, S., Givaudan, JG, Poulain, S., Dirassouyan, F., thiab Moulin, P. (2008). "Kev Kho Mob Leachate Hauv Qhov Chaw Pov Tseg: Kev Tshuaj Xyuas thiab Lub Caij Nyoog." Phau Ntawv Xov Xwm Txog Cov Khoom Phom Sij, 150(3), 468-493.

2. Kjeldsen, P., Barlaz, MA, Rooker, AP, Baun, A., Ledin, A., thiab Christensen, TH (2002). "Tam sim no thiab mus sij hawm ntev ntawm MSW Landfill Leachate: Kev Tshuaj Xyuas." Kev Tshuaj Xyuas Tseem Ceeb hauv Kev Tshawb Fawb Txog Ib Puag Ncig thiab Kev Siv Tshuab, 32(4), 297-336.

3. Zhao, R., Gupta, A., Novak, JT, Goldsmith, CD, thiab Driskill, N. (2013). "Kev piav qhia thiab kev kho cov organic hauv cov dej khib nyiab uas cuam tshuam rau UV Disinfection hauv cov chaw kho mob pej xeem (POTWs)." Phau ntawv Journal of Hazardous Materials, 258-259, 1-9.

4. Wichitsathian, B., Sindhuja, S., Visvanathan, C., thiab Ahn, KH (2004). "Kev Kho Mob Leachate Los Ntawm Yeast Thiab Bacteria Based Membrane Bioreactors." Journal of Environmental Science and Health, Part A, 39(9), 2391-2404.

5. Kurniawan, TA, Lo, WH, thiab Chan, GY (2006). "Kev Kho Mob Physico-Tshuaj Rau Kev Tshem Tawm Cov Khoom Phem Rov Qab Los Ntawm Cov Dej Khib Nyhiab." Phau Ntawv Xov Xwm Txog Cov Khoom Phom Sij, 129(1-3), 80-100.

6. Trebouet, D., Schlumpf, JP, Jaouen, P., thiab Quemeneur, F. (2001). "Kev Kho Mob Leachate Uas Ruaj Khoov Los Ntawm Cov Txheej Txheem Physicochemical-Nanofiltration Ua Ke." Kev Tshawb Fawb Txog Dej, 35(12), 2935-2942.